The sum of two numbers is 38. three times the smaller number is 30 more than the larger. find the numbers

Given the graph below state whether or not the relation is a function, and give the domain and range.

What is the solution of log2  (3x  -  7)  =  3? 4 5

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?